网络设备SNMP服务安全威胁及其防范措施

Security threats and counter measures related to SNMP of network devices

基于SNMP协议的基本概念、命令以及连接建立流程,对SNMP协议和服务存在的脆弱性和可能受到的威胁进行了描述,对可能的风险进行了分析。最后,针对如何减少和防范SNMP的攻击提出了相应的防范措施。

Based on SNMP＇s concept, commands and procedure to setup a SNMP connection, the vulnerability and threat to the SNMP agents, the link and the NMS server are analyzed. The counter measures to the threats based on the risk analysis are proposed.